Sushi,
Here are some more pics, with some more explanations
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Pic (above) this has a bunch of squares that are made up of half triangles - the ones that are popping up.
I sew a seam from the tip of one triangle to the other to hold it all in place
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I have put the edge of the ruler against it to show you where I would sew
When you are sewing lengthwise, it is one continuous seam!
And lesson learned - I would actually join all the squares together and then sew all the seams to hold the triangles down!
The back looks like this:
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The cross in the middle of the circle (where the purple fabric is on the front) is made up of a seam that is pressed and the seam I just made sewing the tips of the triangles down
Does this make sense to you?
Marion